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Important warning about variable hooks

Some hooks have variables in their names. For example, pre_${taxonomy}_$field and admin_head- both have variable names. In general, any hook that ends (or begins) with - or _, or contains a $, has a variable name. Since the syntax with which these variables are defined may change from version to version, this page may think that a hook is deprecated (or new) even if it is not. You can usually catch this sort of thing by comparing this hook to the list of "related hooks" below.

WordPress version history for delete_{$meta_type}_metadata_by_mid

This database has information for all major versions from WP 1.2.1 through 6.0.

Version File Line Type
5.0 wp-includes/meta.php 776 View in context filter
5.1 wp-includes/meta.php 806 View in context filter
5.2 wp-includes/meta.php 808 View in context filter
5.3 wp-includes/meta.php 813 View in context filter
5.4 wp-includes/meta.php 818 View in context filter
5.5 wp-includes/meta.php 930 View in context filter
5.6 wp-includes/meta.php 930 View in context filter
5.7 wp-includes/meta.php 930 View in context filter
5.8 wp-includes/meta.php 937 View in context filter
5.9 wp-includes/meta.php 1021 View in context filter
6.0 wp-includes/meta.php 1020 View in context filter

Related Hooks

We find related hooks using word stems. delete_{$meta_type}_metadata_by_mid has 6 significant word stem(s): delete, meta, type, metadata, by, mid. Note that some of the hooks below may not appear in all versions of WP.